Gas analyzer cuvettes
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United States of America Patent
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Apr 1, 1997
Issued Date -
N/A
app pub date -
Sep 2, 1994
filing date -
May 23, 1990
priority date (Note) -
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status (Latency Note)
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Abstract
Gas analyzer systems which include: (1) a transducer for outputting a signal indicative of the concentration of a specified gas in a sample which may contain that gas, and (2) an airway adapter or cuvette with a flow passage for confining the sample to a particular path traversing the transducer. The cuvettes feature radiant energy transmitting windows which are flush mounted in apertures on opposite sides of the cuvette flow passage and are fabricated from a polymer such as biaxially oriented polypropylene which is malleable, yet resistant to wrinkling, warping, and other forms of distortion. Retainer rings keep the windows flat and distortion free with an accurately reproducible spacing between the windows.
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